Search a number
-
+
30773087 = 145321179
BaseRepresentation
bin111010101100…
…0111101011111
32010220102201222
41311120331133
530334214322
63015323555
7522365312
oct165307537
963812658
1030773087
1116409304
12a3805bb
1364b5b37
144130979
152a7ce42
hex1d58f5f

30773087 has 4 divisors (see below), whose sum is σ = 30795720. Its totient is φ = 30750456.

The previous prime is 30773081. The next prime is 30773117. The reversal of 30773087 is 78037703.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30773087 - 26 = 30773023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30773081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9137 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (7698930).

Almost surely, 230773087 is an apocalyptic number.

30773087 is a deficient number, since it is larger than the sum of its proper divisors (22633).

30773087 is a wasteful number, since it uses less digits than its factorization.

30773087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 30773087 is about 5547.3495473064. The cubic root of 30773087 is about 313.3697142255.

The spelling of 30773087 in words is "thirty million, seven hundred seventy-three thousand, eighty-seven".

Divisors: 1 1453 21179 30773087